July 2025

Thu 24

Summer Open House at Callahan House

Thursday, July 24, 2025 · 5 pm - 7 pm

Callahan House 312 Terry St, Longmont, CO, United States

August 2025

Wed 13

Callahan House Advisory Board (8/13/2025)

Wednesday, Aug. 13, 2025 · 9:30 am - 11:30 am Callahan House Advisory Board Series

Callahan House 312 Terry St, Longmont, CO, United States

September 2025

Wed 10

Callahan House Advisory Board (9/10/2025)

Wednesday, Sep. 10, 2025 · 9:30 am - 11:30 am Callahan House Advisory Board Series

Callahan House 312 Terry St, Longmont, CO, United States

October 2025

Wed 8

Callahan House Advisory Board (10/8/2025)

Wednesday, Oct. 8, 2025 · 9:30 am - 11:30 am Callahan House Advisory Board Series

Callahan House 312 Terry St, Longmont, CO, United States

Sat 18

Mystery Dinner at Callahan House

Saturday, Oct. 18, 2025 · 6:30 pm - 10 pm Mystery Dinner at Callahan House Series

Callahan House 312 Terry St, Longmont, CO, United States

November 2025

Wed 12

Callahan House Advisory Board (11/12/2025)

Wednesday, Nov. 12, 2025 · 9:30 am - 11:30 am Callahan House Advisory Board Series

Callahan House 312 Terry St, Longmont, CO, United States

December 2025

Wed 10

Callahan House Advisory Board (12/10/2025)

Wednesday, Dec. 10, 2025 · 9:30 am - 11:30 am Callahan House Advisory Board Series

Callahan House 312 Terry St, Longmont, CO, United States

Thu 11

Visit with Santa at the Callahan House

Thursday, Dec. 11, 2025 · 3:30 pm - 7:30 pm

Explore the historic home, see the decorations and visit with Santa at the historic Callahan House in Longmont, CO

February 2026

Wed 11

Callahan House Advisory Board Meeting (2/11/2026)

Wednesday, Feb. 11 · 9:30 am - 11:30 am Callahan House Advisory Board Meeting Series

Callahan House 312 Terry St, Longmont, CO, United States

March 2026

Wed 11

Callahan House Advisory Board Meeting (3/11/2026)

Wednesday, Mar. 11 · 9:30 am - 11:30 am Callahan House Advisory Board Meeting Series

Callahan House 312 Terry St, Longmont, CO, United States

April 2026

Wed 8

Callahan House Advisory Board Meeting (4/8/2026)

Wednesday, Apr. 8 · 9:30 am - 11:30 am Callahan House Advisory Board Meeting Series

Callahan House 312 Terry St, Longmont, CO, United States

Thu 23

Callahan Spring Open House

Thursday, Apr. 23 · 5 pm - 7 pm

Callahan House 312 Terry St, Longmont, CO, United States

May 2026

Wed 13

Callahan House Advisory Board Meeting (5/13/2026)

Wednesday, May 13 · 9:30 am - 11:30 am Callahan House Advisory Board Meeting Series

Callahan House 312 Terry St, Longmont, CO, United States

June 2026

Wed 10

Callahan House Advisory Board Meeting (6/10/2026)

Wednesday, June 10 · 9:30 am - 11:30 am Callahan House Advisory Board Meeting Series

Callahan House 312 Terry St, Longmont, CO, United States

July 2026

Wed 8

Callahan House Advisory Board Meeting (7/8/2026)

Wednesday, July 8 · 9:30 am - 11:30 am Callahan House Advisory Board Meeting Series

Callahan House 312 Terry St, Longmont, CO, United States

August 2026

Wed 12

Callahan House Advisory Board Meeting (8/12/2026)

Wednesday, Aug. 12 · 9:30 am - 11:30 am Callahan House Advisory Board Meeting Series

Callahan House 312 Terry St, Longmont, CO, United States

September 2026

Wed 9

Callahan House Advisory Board Meeting (9/9/2026)

Wednesday, Sep. 9 · 9:30 am - 11:30 am Callahan House Advisory Board Meeting Series

Callahan House 312 Terry St, Longmont, CO, United States

October 2026

Wed 14

Callahan House Advisory Board Meeting (10/14/2026)

Wednesday, Oct. 14 · 9:30 am - 11:30 am Callahan House Advisory Board Meeting Series

Callahan House 312 Terry St, Longmont, CO, United States

November 2026

Wed 11

Callahan House Advisory Board Meeting (11/11/2026)

Wednesday, Nov. 11 · 9:30 am - 11:30 am Callahan House Advisory Board Meeting Series

Callahan House 312 Terry St, Longmont, CO, United States

December 2026

Wed 9

Callahan House Advisory Board Meeting (12/9/2026)

Wednesday, Dec. 9 · 9:30 am - 11:30 am Callahan House Advisory Board Meeting Series

Callahan House 312 Terry St, Longmont, CO, United States